Microsoft Windows XP

 

C:\Documents and Settings\{user}\Local Settings\Application Data\Google\Chrome\User Data\Default\
C:\Documents and Settings\{user}\Local Settings\Application Data\Google\Chrome\User Data\Default\Cache\

Microsoft Windows Vista / 7 / 8

 

C:\Users\{user}\AppData\Local\Google\Chrome\User Data\Default\
C:\Users\{user}\AppData\Local\Google\Chrome\User Data\Default\Cache\

Apple Macintosh OS X

 

/Users/{user}/Library/Application Support/Google/Chrome/Default/
/Users/{user}/Library/Caches/Google/Chrome/Default/Cache/

GNU / Linux

 

/home/{user}/.config/google-chrome/Default/
/home/{user}/.cache/google-chrome/Default/Cache/